nodes.py: demagify toml nodes

libs/demagify.py

@@ -0,0 +1,21 @@
+import bwpass
+
+def demagify(something, vault):
+    if isinstance(something, str):
+        if something.startswith('!bwpass:'):
+            return bwpass.password(something[8:])
+        elif something.startswith('!bwpass_attr:'):
+            identifier, attribute = something[13:].split(':', 1)
+            return bwpass.attr(identifier, attribute)
+        elif something.startswith('!decrypt:'):
+            return vault.decrypt(something[9:])
+        return something
+    elif isinstance(something, dict):
+        return {k:demagify(v, vault) for k,v in something.items()}
+    elif isinstance(something, list):
+        return [demagify(i, vault) for i in something]
+    elif isinstance(something, set):
+        return {demagify(i, vault) for i in something}
+    elif isinstance(something, tuple):
+        return tuple([demagify(i, vault) for i in something])
+    return something